Contents

module Architect4r
  module Model
    module Persistency
      extend ActiveSupport::Concern
      
      # Creates the document in the db. Raises an exception
      # if the document is not created properly.
      def create!(options = {})
        self.fail_validate!(self) unless self.create(options)
      end
      
      def save(options = {})
        self.new? ? create(options) : update(options)
      end

      def save!
        self.class.fail_validate!(self) unless self.save
        true
      end
      
      def id
        @id ||= if raw_data && raw_data['self'].present?
          raw_data['self'].split('/').last.to_i
        else
          nil
        end
      end
      alias :to_key :id
      alias :to_param :id

      def new?
        # Persisted objects always have an id.
        id.nil?
      end
      alias :new_record? :new?

      def destroyed?
        !!@_destroyed
      end

      def persisted?
        !new? && !destroyed?
      end

      # Update the document's attributes and save. For example:
      def update_attributes(hash)
        update_attributes_without_saving hash
        save
      end

      protected

      def perform_validations(options = {})
        (options[:validate].presence || true) ? valid? : true
      end
    
      module ClassMethods
        
        def create(*args, &block)
          instance = new(*args, &block)
          instance.create
          instance
        end
        
        # Defines an instance and save it directly to the database
        def create!(*args, &block)
          instance = new(*args, &block)
          instance.create!
          instance
        end
        
        protected
        
        # Create an object from the database data
        def build_from_database(data)
          return nil if data.blank?
          
          # Create an instance of the object
          obj = self.new(data['data'])
          obj.raw_data = data
          obj
        end
        
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
architect4r-0.4.3.1	lib/architect4r/model/persistency.rb